Home / 859,192.03-1,289,320.25-499,532.13

Finding the Fourth Proportional to 859,192.03, 1,289,320.25 and 499,532.13

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Solution

The fourth proportional to 859,192.03, 1,289,320.25 and 499,532.13 is: 749,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,192.03 : 1,289,320.25 = 499,532.13 : x
  2. Step 2: Convert to fraction form
    859,192.03/1,289,320.25 = 499,532.13/x
  3. Step 3: Cross multiply
    859,192.03x = 1,289,320.25 × 499,532.13
  4. Step 4: Simplify right side
    859,192.03x = 644,056,891,046.84
  5. Step 5: Solve for x
    x = 644,056,891,046.84/859,192.03
  6. Step 6: Final answer
    x = 749,607.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.